*{
    margin: 0;
    padding: 0;
}
body{
    font-family: Arial,Verdana,"Microsoft yahei","PIngFang SC",Simsun;
    margin-left: auto;
    margin-right: auto;
}
.clear{
    clear: both;
    height: 0;
    overflow: hidden;
    font-size: 0;
    line-height: 0;
}
ul,ol,li{
    list-style: none;
}
a{
    text-decoration: none;
}
.section{
    width: 1200px;
    margin-left: auto;
    margin-right: auto;
}
input,button, textarea, select,progress{
    vertical-align: middle;
    outline: none;
}
i{
    display: inline-block;
}